Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
13258 Bej (1998 QT12)
Classification: Main-belt Asteroid          SPK-ID: 2013258
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09230218321554005 4.6353e-08  
a 2.371830546994925 1.4987e-08 au
q 2.152905409289985 1.1275e-07 au
i 5.970607336093409 5.3276e-06 deg
node 290.1163951973638 5.4227e-05 deg
peri 329.9728636300727 6.5039e-05 deg
M 23.08911855040719 3.8064e-05 deg
tp 2457514.928574490467
(2016-May-06.42857449)
0.00014086 JED
period 1334.20914774975
3.65
1.2646e-05
3.462e-08
d
yr
n .2698227640000585 2.5574e-09 deg/d
Q 2.590755684699865 1.637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1189  
   data-arc span      12931 days (35.40 yr)  
   first obs. used      1980-09-13  
   last obs. used      2016-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47644  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:53:59  

Additional Information
 Earth MOID = 1.13949 au 
 Jupiter MOID = 2.47076 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO337371  
rotation period rot_per 12.7925 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

13258 Bej           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gautam Ashim Bej (b. 1989) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochemistry, medicine, health, and microbiology project. He attends the Altamont School, Birmingham, Alabama.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 QT12 = 1980 RF7 = 1990 HV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-05 00:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin